Canadian Journal of Chemistry p. 2099 - 2103 (1982)
Update date:2022-08-04
Topics:
Kim, Phieo Ta
Cocolios, Panayotis
Guilard, Roger
Reaction of ethyl azidoacetate with 6-formyl-4 chromanones, followed by cyclization of the azides obtained leads to 7,8-dihydropyrano<2,3-g>indol-9 (1H)-one.One aspect of the chemical reactivity of these new tricyclic systems is described.The structure of the compounds isolated from various syntheses is established by proton nmr data.
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